Hi Chun-Yeow,

Looks good to me, ship it!

Thomas

On Wed, Jan 18, 2012 at 8:01 AM, Yeoh Chun-Yeow <[email protected]> wrote:
> Hi, Thomas
>
> Please review the resubmit patches.
>
> Thanks
>
> Regards,
> Chun-Yeow
>
> From 7960597681ea2047c4fae88567ce272ddb4529e4 Mon Sep 17 00:00:00 2001
> From: Chun-Yeow Yeoh <[email protected]>
> Date: Thu, 19 Jan 2012 07:45:41 +0800
> Subject: [PATCH] {nl,cfg,mac}80211: Add support of setting non-forwarding
> entity in Mesh
>
> A mesh node that joins the mesh network is by default a forwarding entity.
> This patch allows
> the mesh node to set as non-forwarding entity. Whenever dot11MeshForwarding
> is set to 0, the
> mesh node can prevent itself from forwarding the traffic which is not
> destined to him.
>
> Signed-off-by: Chun-Yeow Yeoh <[email protected]>
> ---
>  include/linux/nl80211.h       |    4 ++++
>  include/net/cfg80211.h        |    1 +
>  net/mac80211/cfg.c            |    2 ++
>  net/mac80211/debugfs_netdev.c |    1 +
>  net/mac80211/mesh_hwmp.c      |    2 +-
>  net/wireless/mesh.c           |    1 +
>  net/wireless/nl80211.c        |    5 +++++
>  7 files changed, 15 insertions(+), 1 deletions(-)
>
> diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
> index a187606..92a1cc5 100644
> --- a/include/linux/nl80211.h
> +++ b/include/linux/nl80211.h
> @@ -2098,6 +2098,9 @@ enum nl80211_mntr_flags {
>   * TUs) during which a mesh STA can send only one Action frame containing a
>   * PERR element.
>   *
> + * @NL80211_MESHCONF_FORWARDING: set Mesh STA as forwarding or
> non-forwarding
> + * or forwarding entity (default is TRUE - forwarding entity)
> + *
>   * @NL80211_MESHCONF_ATTR_MAX: highest possible mesh configuration
> attribute
>   *
>   * @__NL80211_MESHCONF_ATTR_AFTER_LAST: internal use
> @@ -2122,6 +2125,7 @@ enum nl80211_meshconf_params {
>   NL80211_MESHCONF_HWMP_RANN_INTERVAL,
>   NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
>   NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
> + NL80211_MESHCONF_FORWARDING,
>
>   /* keep last */
>   __NL80211_MESHCONF_ATTR_AFTER_LAST,
> diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
> index 3de1c39..8f78acb 100644
> --- a/include/net/cfg80211.h
> +++ b/include/net/cfg80211.h
> @@ -791,6 +791,7 @@ struct mesh_config {
>   * mesh gate, but not necessarily using the gate announcement protocol.
>   * Still keeping the same nomenclature to be in sync with the spec. */
>   bool  dot11MeshGateAnnouncementProtocol;
> + bool dot11MeshForwarding;
>  };
>
>  /**
> diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
> index 393b2a4..6252bee 100644
> --- a/net/mac80211/cfg.c
> +++ b/net/mac80211/cfg.c
> @@ -1299,6 +1299,8 @@ static int ieee80211_update_mesh_config(struct wiphy
> *wiphy,
>   conf->dot11MeshHWMPRannInterval =
>   nconf->dot11MeshHWMPRannInterval;
>   }
> + if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
> + conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
>   return 0;
>  }
>
> diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
> index 8df2891..5b7c57f 100644
> --- a/net/mac80211/debugfs_netdev.c
> +++ b/net/mac80211/debugfs_netdev.c
> @@ -421,6 +421,7 @@ IEEE80211_IF_FILE(dot11MeshGateAnnouncementProtocol,
>   u.mesh.mshcfg.dot11MeshGateAnnouncementProtocol, DEC);
>  IEEE80211_IF_FILE(dot11MeshHWMPRannInterval,
>   u.mesh.mshcfg.dot11MeshHWMPRannInterval, DEC);
> +IEEE80211_IF_FILE(dot11MeshForwarding, u.mesh.mshcfg.dot11MeshForwarding,
> DEC);
>  #endif
>
>
> diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
> index 73abb75..cae4071 100644
> --- a/net/mac80211/mesh_hwmp.c
> +++ b/net/mac80211/mesh_hwmp.c
> @@ -575,7 +575,7 @@ static void hwmp_preq_frame_process(struct
> ieee80211_sub_if_data *sdata,
>   ifmsh->mshstats.dropped_frames_ttl++;
>   }
>
> - if (forward) {
> + if (forward && ifmsh->mshcfg.dot11MeshForwarding) {
>   u32 preq_id;
>   u8 hopcount, flags;
>
> diff --git a/net/wireless/mesh.c b/net/wireless/mesh.c
> index 8c550df..9d3e3b6 100644
> --- a/net/wireless/mesh.c
> +++ b/net/wireless/mesh.c
> @@ -55,6 +55,7 @@ const struct mesh_config default_mesh_config = {
>   .min_discovery_timeout = MESH_MIN_DISCOVERY_TIMEOUT,
>   .dot11MeshHWMPRannInterval = MESH_RANN_INTERVAL,
>   .dot11MeshGateAnnouncementProtocol = false,
> + .dot11MeshForwarding = true,
>  };
>
>  const struct mesh_setup default_mesh_setup = {
> diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
> index ba43966..d88ec25 100644
> --- a/net/wireless/nl80211.c
> +++ b/net/wireless/nl80211.c
> @@ -3205,6 +3205,8 @@ static int nl80211_get_mesh_config(struct sk_buff
> *skb,
>   cur_params.dot11MeshHWMPRannInterval);
>   NLA_PUT_U8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
>   cur_params.dot11MeshGateAnnouncementProtocol);
> + NLA_PUT_U8(msg, NL80211_MESHCONF_FORWARDING,
> + cur_params.dot11MeshForwarding);
>   nla_nest_end(msg, pinfoattr);
>   genlmsg_end(msg, hdr);
>   return genlmsg_reply(msg, info);
> @@ -3236,6 +3238,7 @@ static const struct nla_policy
> nl80211_meshconf_params_policy[NL80211_MESHCONF_A
>   [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 },
>   [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 },
>   [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 },
> + [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 },
>  };
>
>  static const struct nla_policy
> @@ -3325,6 +3328,8 @@ do {\
>   dot11MeshGateAnnouncementProtocol, mask,
>   NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
>   nla_get_u8);
> + FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding,
> + mask, NL80211_MESHCONF_FORWARDING, nla_get_u8);
>   if (mask_out)
>   *mask_out = mask;
>
> --
> 1.7.0.4
>
> From 06791b8c33ea7a8c7da03467cefdc7fd5bc82a30 Mon Sep 17 00:00:00 2001
> From: Chun-Yeow Yeoh <[email protected]>
> Date: Thu, 19 Jan 2012 08:05:56 +0800
> Subject: [PATCH] iw: Add support of setting non-forwarding entity in Mesh
>
> This patch creates a new mesh parameter known as mesh_fwding. Mesh node will
> become
> non-forwarding entity if this parameter is set to 0. By default, it is set
> as 1.
>
> Signed-off-by: Chun-Yeow Yeoh <[email protected]>
> ---
>  mesh.c    |    2 ++
>  nl80211.h |    4 ++++
>  2 files changed, 6 insertions(+), 0 deletions(-)
>
> diff --git a/mesh.c b/mesh.c
> index 37fd1cd..764cc32 100644
> --- a/mesh.c
> +++ b/mesh.c
> @@ -177,6 +177,8 @@ const static struct mesh_param_descr
> _mesh_param_descrs[] =
>   _my_nla_put_u16, _parse_u16, _print_u16},
>   {"mesh_gate_announcements", NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
>   _my_nla_put_u8, _parse_u8, _print_u8},
> + {"mesh_fwding", NL80211_MESHCONF_FORWARDING,
> + _my_nla_put_u8, _parse_u8_as_bool, _print_u8},
>  };
>
>  static void print_all_mesh_param_descr(void)
> diff --git a/nl80211.h b/nl80211.h
> index a187606..92a1cc5 100644
> --- a/nl80211.h
> +++ b/nl80211.h
> @@ -2098,6 +2098,9 @@ enum nl80211_mntr_flags {
>   * TUs) during which a mesh STA can send only one Action frame containing a
>   * PERR element.
>   *
> + * @NL80211_MESHCONF_FORWARDING: set Mesh STA as forwarding or
> non-forwarding
> + * or forwarding entity (default is TRUE - forwarding entity)
> + *
>   * @NL80211_MESHCONF_ATTR_MAX: highest possible mesh configuration
> attribute
>   *
>   * @__NL80211_MESHCONF_ATTR_AFTER_LAST: internal use
> @@ -2122,6 +2125,7 @@ enum nl80211_meshconf_params {
>   NL80211_MESHCONF_HWMP_RANN_INTERVAL,
>   NL80211_MESHCONF_GATE_ANNOUNCEMENTS,
>   NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL,
> + NL80211_MESHCONF_FORWARDING,
>
>   /* keep last */
>   __NL80211_MESHCONF_ATTR_AFTER_LAST,
> --
> 1.7.0.4
>
>
>
>
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